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Finding the Fourth Proportional to 596.30, 822.86 and 330.72

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Solution

The fourth proportional to 596.30, 822.86 and 330.72 is: 456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.30 : 822.86 = 330.72 : x
  2. Step 2: Convert to fraction form
    596.30/822.86 = 330.72/x
  3. Step 3: Cross multiply
    596.30x = 822.86 × 330.72
  4. Step 4: Simplify right side
    596.30x = 272,136.26
  5. Step 5: Solve for x
    x = 272,136.26/596.30
  6. Step 6: Final answer
    x = 456.37

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.